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48 SUPERSTAR II User Manual Rev 3
Appendix A Technical Specifications
A.2.3 I/O Electrical Characteristics
Table 8 shows the voltage level limits for the different I/O signals:
Table 8: I/O Signals Voltage Limits
1. A LO pulse of 150 ns minimum will invoke a master reset to the receiver.
2. Conditions: 5 V ± 0.25 V (for all limits)
SIGNAL NAME TYPE
Input low
max (V)
Input high
min (V)
Output low
max (V)
Output high
min (V)
MASTER_RESET
1
I 0.50 2.00
Disc_IP_1, Disc_IP_2,
Disc_IP_3, Rx_No_1,
Rx_No_2
I0.8 2.5
DISC_IO_1, DISC_IO_2 I/O 0.8 2.5 0.4
3.0
Io≤200uA
TX_NO_1, TX_NO_2 O 0.4
3
Io≤200uA
RX_NO_3/DISC_IO_3 I/O 0.8 2.0 0.4
3.7
Io≤200uA
TIMEMARK, TX_NO_3 O 0.4
3.7
Io≤200uA